drm/amdgpu: remove partition attributes sys file for gfx_v9_4_3

For driver de-init like rmmod operations those partition specific
attributes need to be removed accordingly.
Signed-off-by: Shiwu Zhang <shiwu.zhang@amd.com>
Reviewed-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c

@@ -1345,3 +1345,10 @@ int amdgpu_gfx_sysfs_init(struct amdgpu_device *adev)
 
 	return 0;
 }
+
+void amdgpu_gfx_sysfs_fini(struct amdgpu_device *adev)
+{
+	device_remove_file(adev->dev, &dev_attr_current_compute_partition);
+	device_remove_file(adev->dev, &dev_attr_available_compute_partition);
+	device_remove_file(adev->dev, &dev_attr_current_memory_partition);
+}

drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h

@@ -502,4 +502,5 @@ int amdgpu_gfx_poison_consumption_handler(struct amdgpu_device *adev,
 
 bool amdgpu_gfx_is_master_xcc(struct amdgpu_device *adev, int xcc_id);
 int amdgpu_gfx_sysfs_init(struct amdgpu_device *adev);
+void amdgpu_gfx_sysfs_fini(struct amdgpu_device *adev);
 #endif

drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c

@@ -895,6 +895,7 @@ static int gfx_v9_4_3_sw_fini(void *handle)
 	gfx_v9_4_3_mec_fini(adev);
 	amdgpu_bo_unref(&adev->gfx.rlc.clear_state_obj);
 	gfx_v9_4_3_free_microcode(adev);
+	amdgpu_gfx_sysfs_fini(adev);
 
 	return 0;
 }